Data as of Nov 12, 2026
121.1.52.4/30
No anonymizer space · no proxy exits in 30 daysSmart Broadband, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 121.1.48.0/20 since Apr 2025 | AS10139 | Mobile | ||
| 121.1.0.0/18 since Jul 2006 | AS10139 | Mobile | Smart Broadband, Inc. |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 121.1.0.0/18 | 16,384 | SMARTBRO-PH | Smart Broadband, Inc. (ORG-SBI2-AP) · PH | ALLOCATED PORTABLE | — | allsmarttscipbb@ |
| └ 121.1.52.4/30 | 4 | SMARTBRO-PH | Las Pinas BH E1 Link1 <> Tagaytay BH E1 Link1 | ASSIGNED NON-PORTABLE | — | allsmarttscipbb@ |
Network & registry
Announced by
Covering announcement 121.1.52.0/22
- Prefix
- 121.1.52.0/22
- Announced by
- AS10139 Smart Broadband, Inc.
- Type
- Mobile
- RPKI
- RPKI valid
- Netname
- SMARTBRO-PH
- Registrant
- Smart Broadband, Inc.
- RIR
- APNIC
Origin network
AS10139
PH
- Name
- Smart Broadband, Inc.
- Type
- Internet provider
- Registered
- Nov 21, 2006
- Domain
- smart.com.ph
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
121.1.52.0/22
Routing history
- Pattern
- Stable
- First seen
- Mar 2021
- Current origin since
- Mar 2021 · 5.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 121.1.32.0/19 | AS10139 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 121.
1. 0. 0/ 18 - Netname
- SMARTBRO-PH
- Registrant
- Smart Broadband, Inc.
- Registrant country
- PH
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 20, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- PH
- Delegated
- Jun 19, 2006
- Status
- assigned
Report abuse
Abuse contact
- allsmarttscipbb@
smart. com. ph - Name
- ABUSE SMARTBROPH
- Handle
- AS2810-AP